A user is writing a script that needs to create temporary files that will be automatically deleted on reboot. The user also wants to ensure that other users cannot delete these files while they are being used. Which directory and permission combination should the user use?

Write to /tmp and rely on the sticky bit.

Write to /home/user and set the setgid bit.

Write to /dev and set the sticky bit.

Write to /var/tmp and rely on the sticky bit.

A system administrator is troubleshooting a service that communicates with another process on the same system. The service uses a special file for inter-process communication. The administrator runs ls -l and sees a file with the permissions 'srw-rw----'. What is the primary purpose of this file?

To provide a communication endpoint between processes.

To store temporary data that is cleared on reboot.

To point to another file on the filesystem.

To represent a hardware device.

LPI Linux Essentials (010-160)

Domain 5Objective 4

5.4 Special Directories and Files (weight: 1) LINUX-ESSENTIALS Practice Questions (Page 1)

Part of the Topic 5: Security and File Permissions domain, which makes up ~17% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~4–7 in this domain), expect 1–2 from this objective — we provide 15 practice questions to prepare you well beyond it. (estimate)

15questions here

3free pages

4concepts

Questions 1–5

1application · medium
A system administrator is investigating a performance issue. They run ls -l and see a file with the permissions 'srw-rw----'. What type of file is this?
Select an answer first
2application · medium
A user is writing a script that needs to create temporary files that will be automatically deleted on reboot. The user also wants to ensure that other users cannot delete these files while they are being used. Which directory and permission combination should the user use?
Select an answer first
3application · easy
A system administrator is troubleshooting why a new USB printer is not working. The printer is connected and powered on, but the system does not recognize it. The administrator checks the kernel messages and sees that the device was detected. Which directory should the administrator check to find the device file that represents the printer?
Select an answer first
4expert · medium
A system administrator is troubleshooting a service that communicates with another process on the same system. The service uses a special file for inter-process communication. The administrator runs ls -l and sees a file with the permissions 'srw-rw----'. What is the primary purpose of this file?
Select an answer first
5foundation · easy
Which special file type is used to provide a communication channel between processes on the same system?
Select an answer first

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5.4 Special Directories and Files (weight: 1) LINUX-ESSENTIALS Practice Questions (Page 1)

Questions 1–5

A system administrator is investigating a performance issue. They run ls -l and see a file with the permissions 'srw-rw----'. What type of file is this?

A user is writing a script that needs to create temporary files that will be automatically deleted on reboot. The user also wants to ensure that other users cannot delete these files while they are being used. Which directory and permission combination should the user use?

A system administrator is troubleshooting a service that communicates with another process on the same system. The service uses a special file for inter-process communication. The administrator runs ls -l and sees a file with the permissions 'srw-rw----'. What is the primary purpose of this file?

Which special file type is used to provide a communication channel between processes on the same system?

Keep studying — Topic 5: Security and File Permissions